Method and apparatus for making spiral wound sleeves for printing cylinders and product thereof
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United States of America Patent
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Jun 20, 1995
Issued Date -
N/A
app pub date -
Oct 25, 1993
filing date -
Apr 30, 1993
priority date (Note) -
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Abstract
A printing sleeve for a flexographic printing process is prepared by spirally winding successive adhesive coated tapes onto a forming mandrel such that the outer tape covers the seam in the previous layer, providing heat to the thermoplastic adhesive layers at the initial contact point between two tapes, providing sufficient tension to ensure consolidation, and advancing the resultant printing sleeve off the mandrel by means of a drive belt.
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